Cornelia, IA Weather Forecast
Local 7-day forecast
Areas Of Fog then Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Cornelia, IA in one place.
Areas of fog and a chance of showers and thunderstorms before noon. Cloudy, with a high near 74. East northeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Cornelia, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 17, 2026 8:22 AM CDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Cornelia, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 8:22 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornelia
Friday looks like the warmest upcoming period in Cornelia at 76 degrees F.
Monday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Friday at about 12 to 18 mph ESE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 8:22 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. East wind 5 to 12 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. East southeast wind 12 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy. Low around 65, with temperatures rising to around 68 overnight. South southeast wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a high near 75. West northwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers after 7am. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
A chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
A slight chance of rain showers before 7am. Mostly cloudy, with a high near 64.
Mostly cloudy, with a low around 49.
Partly sunny, with a high near 70.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 17
|
Areas Of Fog then Cloudy
|
74°F |
5 mph
ENE
|
|
Tonight
Sep 17
|
Mostly Cloudy then Showers And Thunderstorms Likely
|
60°F |
5 to 12 mph
E
|
|
Friday
Sep 18
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
76°F |
12 to 18 mph
ESE
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
65°F |
9 to 16 mph
SSE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
75°F |
9 mph
WNW
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
56°F |
10 mph
NNE
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
64°F |
13 mph
NE
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
51°F |
12 mph
ENE
|
|
Monday
Sep 21
|
Showers And Thunderstorms Likely
|
60°F |
12 mph
ENE
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
49°F |
9 mph
ENE
|
|
Tuesday
Sep 22
|
Slight Chance Rain Showers then Mostly Cloudy
|
64°F |
7 mph
E
|
|
Tuesday Night
Sep 22
|
Mostly Cloudy
|
49°F |
5 mph
ESE
|
|
Wednesday
Sep 23
|
Partly Sunny
|
70°F |
6 mph
SE
|
|
Wednesday Night
Sep 23
|
Slight Chance Showers And Thunderstorms
|
53°F |
3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornelia.